CN201608882U - Multifunctional miniature loudspeaker - Google Patents
Multifunctional miniature loudspeaker Download PDFInfo
- Publication number
- CN201608882U CN201608882U CN2010201071567U CN201020107156U CN201608882U CN 201608882 U CN201608882 U CN 201608882U CN 2010201071567 U CN2010201071567 U CN 2010201071567U CN 201020107156 U CN201020107156 U CN 201020107156U CN 201608882 U CN201608882 U CN 201608882U
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- permanent magnet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/026—Transducers having separately controllable opposing diaphragms, e.g. for ring-tone and voice
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/027—Electrical or mechanical reduction of yoke vibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/07—Suspension between moving magnetic core and housing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a multifunctional miniature loudspeaker. The multifunctional miniature loudspeaker comprises a framework, a diaphragm, a voice coil, a first suspension bracket, a magnetic yoke, a first permanent magnet, a flat plate, a second suspension bracket and a second magnet, wherein the periphery of the outer side of the diaphragm is fixed on the framework; the voice coil is fixed on the bottom surface of the diaphragm; the side edge of the suspension bracket is fixed on the framework, and the first suspension bracket is elastic; the magnetic yoke is fixed on the first suspension bracket and is provided with a receiving groove; the first permanent magnet is fixed on the bottom surface of the receiving groove; the flat plate is fixed on the upper surface of the first permanent magnet; the side edge of the second suspension bracket is fixed on the framework, and the second suspension bracket faces downwards and is separated from the first suspension bracket and is elastic; and the second magnet is fixed on the second suspension bracket and is separated from and fixed on the first suspension bracket. Besides, the first suspension bracket and the second suspension bracket respectively take the shape of a flat plate; at least one surface of the first suspension bracket is magnetized by the first permanent magnet; and at least one surface of the second suspension bracket is magnetized by the second magnet.
Description
Technical field
The utility model is about multifunctional micro speaker, more particularly, about a kind of multifunctional micro speaker, wherein support the suspension of loudspeaker magnetic circuits, and separate and support the surface that another suspension that separates magnet is configured to these suspensions of magnetization mutually with this suspension, make and between these several suspensions, can keep fixed space, improve the unsettled vibration and the damping force of vibrator by this.
Background technology
In general, loudspeaker become the equipment of voice signal for the conversion electric signal.Microspeaker is a compact horn, is mainly used in the portable type audio unit, for example mobile phone, mobile computer, MP3 player, earphone etc.
In recent years electronic product adopts this Microspeaker person, and for example mobile communications device similarly is a mobile phone, and it consists essentially of the device that is used to produce vibration signal.This vibration signal can be used as a kind of signal, replaces to arrive signal sound, or confirm the signal of input state in the Touch Screen method, wherein imports data and directly imports on screen.
A kind of multifunctional micro speaker of the purpose of the utility model, represent a kind of have be used to the loudspeaker that produce the additional functionality of vibration signal and be used for sonorific basic function.This multifunctional micro speaker can have multiple title, for example multifunctional actuator or multifunction electronic sound transducer.
A kind of typical multifunctional micro speaker has a kind of structure, and wherein the vibrator that is supported by a flabellum spring resonates and produces vibration.At typical multifunctional micro speaker, sound coil is arranged on the barrier film that is referred to as collecting board towards magnetic circuits.Herein, when the electric current of voice signal is applied to this sound coil, promptly can output sound.On the other hand, when the electric current of vibration signal is applied to this sound coil, promptly produce vibration.
This typical multifunctional micro speaker is done explanation with reference to Fig. 1.Typical multifunctional micro speaker 100 comprises shell 110, is used for sonorific barrier film 101, sound coil 102, permanent magnet 104, it is provided with the N utmost point respect to one another and the S utmost point, flat board 103, yoke 105, weights 106, top suspension 107 and below suspension 108.Electric current is via lead a 114 and lead b 115 and put on sound coil 102.
End is fixed in the lower surface of barrier film 101 on the sound coil 102.This sound coil is winding, and extends on the downward direction.Dull and stereotyped 103 are fixed in surface on the permanent magnet 104.Permanent magnet 104 cooperates flat board 103 and yoke 105 construction magnetic circuits, and while permanent magnet 104 construction vibrators.Weights 106 cooperates permanent magnet 104, flat board 103 and this vibrator of yoke 105 construction.This vibrator is flexibly supported by top suspension 107 and below suspension 108.
In multifunctional micro speaker 100, when electric current is applied in sound coil 102 via lead a 114 and lead b 115, in this magnetic circuits, produce electromagnetic force on the sound coil 102.Therefore, barrier film 101 vibrations come output sound.
That is to say, the N utmost point of magnetic line of force guiding permanent magnet 104 in regular turn via dull and stereotyped 103, sound coil 102 and yoke 105 towards the S of permanent magnet 104 utmost point, to form magnetic field.At this moment, when producing this electromagnetic force on sound coil 102, the electromagnetic force of sound coil 102 is carried out interaction with the magnetic flux that is produced by this magnetic circuits.Therefore, barrier film 101 vibration of being fixed in sound coil 102 is used as the loudspeaker output sound.
When low-frequency current is applied in sound coil 102 via lead a 114 and lead b 115, comprise permanent magnet 104, dull and stereotyped 103 and the vibrator of yoke 105 vertically moved and produced vibration.
According to this typical multifunctional micro speaker, because promptly can there be multiple restriction in the assembly that constitutes this magnetic circuits as this vibrator.That is to say that moving with the mobile meeting of this barrier film of this vibrator is interfering with each other and produce unusual sound.Simultaneously, also be difficult in keep regularly between this top suspension and the below suspension smooth.Therefore, unsettled vibration can take place.
In addition, a kind of typical multifunctional micro speaker is arranged, it comprises several sound coils.In this example, be its restriction owing to complicated structure and low spatial utilance have limited vibration force.
The utility model content
Therefore, the utility model is about a kind of multifunctional micro speaker, and it can alleviate in fact because the restriction of correlation technique and one or more problems that shortcoming causes.
The utility model one purpose is to provide a kind of multifunctional micro speaker, vibrator separately wherein is provided, it separates mutually with magnetic circuits, and magnetic is connected to this magnetic circuits, with this vibrator of magnetization and the fixing respectively suspension of this magnetic circuits, use instability vibration and damping force that the magnetic interference of using between these suspensions is improved this vibrator.
Additional advantage of the present utility model, purpose and feature propose part in the following description, and other parts can be understood more after inspecting following content for the present technique professional person or can be by learning in the middle of the enforcement of the present utility model.These purposes of the utility model and other advantage can be by explanation that is disclosed and claims thereof, and in the accompanying drawing the specific structure that indicates understand and obtain.
In order to reach these purposes and other advantage, and according to the purpose of the utility model, so the place is concrete implements and the generalized description person, and a kind of multifunctional micro speaker is provided, and it comprises: framework; Barrier film, wherein its outer periphery is fixed in this framework; Sound coil, it is fixed in the lower surface of this barrier film; First suspension, wherein the one side is fixed in this framework, and this first suspension has elasticity; Yoke, it is fixed in this first suspension, and this yoke has receiving slit; First permanent magnet, it is fixed in the lower surface of this receiving slit; Flat board, it is fixed in the upper surface of this first permanent magnet; Second suspension, wherein its side is fixed in this framework, and this second suspension with this first suspension mutually separates downwards, and have elasticity; And second magnet, it is fixed in this second suspension, this second magnet separates mutually with this first suspension, and be fixed thereon, wherein this first suspension and this second suspension have writing board shape respectively, at least one surface of this first suspension is by this first permanent magnet magnetization, and at least one surface of this second suspension is by this second magnet magnetization.
This second magnet can be fixed in one of this second suspension lower surface, and this first and second suspension toward each other, and separates mutually in parallel with each other.
At least one can comprise non-magnetic member and electrodeposited coating in this first suspension and this second suspension, thereon at least one electroplating surface magnetic material of this non-magnetic member.
These other first and second suspensions can comprise non-magnetic member and electrodeposited coating, thereon at least one electroplating surface magnetic material of this non-magnetic member.
This non-magnetic member can comprise nonmagnetic metal member or polymer elasticity member.
At least one can comprise magnetic component in this first suspension and this second suspension.
This first permanent magnet can comprise permanent magnet, wherein the N utmost point and the S utmost point with by upward to downward direction configuration, and this second magnet can comprise permanent magnet, wherein the N utmost point and the S utmost point or the S utmost point and the N utmost point are with by upward to disposing to downward direction.
This second magnet can comprise electromagnet.
Of the present utility model on the other hand in, a kind of multifunctional micro speaker is provided, comprising: framework; Barrier film, wherein its outer periphery is fixed in this framework; Sound coil, it is fixed in the lower surface of this barrier film; First suspension, wherein the one side is fixed in this framework, and this first suspension has elasticity; Yoke, it is fixed in this first suspension, and this yoke has a receiving slit; First permanent magnet, it is fixed in a lower surface of this receiving slit; Flat board, it is fixed in the upper surface of this first permanent magnet; Second suspension, wherein its side is fixed in this framework, and this second suspension with this first suspension mutually separates downwards, and have elasticity; And second magnet, it is fixed in this second suspension, this second magnet separates mutually with this first suspension and this yoke, and be fixed thereon, wherein this first suspension and this second suspension have writing board shape respectively, and each outer periphery of these first and second suspensions is fixed in this framework, wherein these first and second suspensions have at least one slotted hole, wherein its at least a portion is passed through and is extended in one direction, makes these first and second suspensions easily to move in vertical direction with respect to this framework.
This at least one slotted hole can utilize identical configuration and position to be defined in this first and second suspension.
At least the surface of this first suspension can be by this first permanent magnet magnetization, and the surface of this second suspension can be by this second magnet magnetization at least.
Can recognize aforementioned is exemplary and illustrative for general remark of the present utility model and following detailed description, and the further explanation as the utility model of being advocated will be provided.
Description of drawings
Accompanying drawing comprises to provide for the utility model further to be understood, and is used to add and constitute the some of the application's case, and accompanying drawing is represented the specific embodiment of the utility model, cooperates its explanation to can be used for explaining the principle of the utility model.Brief Description Of Drawings is as follows:
Fig. 1 is the constructed profile of a typical multifunctional micro speaker;
Fig. 2 is the part perspective view according to the multifunctional micro speaker of the utility model one specific embodiment;
Fig. 3 is the schematic exploded perspective view of the multifunctional micro speaker of Fig. 2;
Fig. 4 is the constructed profile of the multifunctional micro speaker of Fig. 2;
Fig. 5 is the part enlarged drawing of first and second suspension;
Fig. 6 is the plane graph of these first and second suspensions; And
Fig. 7 is the constructed profile according to the multifunctional micro speaker of another specific embodiment of the utility model.
Embodiment
To carry out detailed reference to the preferred embodiment of the utility model now, its example all is illustrated in the accompanying drawing.
Multifunctional micro speaker according to a specific embodiment elaborates Fig. 2 to Fig. 6.
Fig. 2 is the part perspective view according to the multifunctional micro speaker of the utility model one specific embodiment, and Figure 3 shows that the schematic exploded perspective view of the multifunctional micro speaker of Fig. 2.Figure 4 shows that the constructed profile of the multifunctional micro speaker of Fig. 2, and Figure 5 shows that the part enlarged drawing of first and second suspension.Figure 6 shows that the plane graph of this first and second suspension.
Multifunctional micro speaker 1 according to a specific embodiment is mainly used in undersized device, for example mobile communication terminal and portable type multimedia player (PMP, Portable multimedia player).Multifunctional micro speaker 1 has the sound generating function, produces function together with the vibration of one of signal.
Multifunctional micro speaker 1 comprises framework 10, barrier film 20, sound coil 30, first suspension 40, yoke 50, first permanent magnet 60, dull and stereotyped 70, second suspension 80 and second magnet 90.
Side periphery is fixed between upper frame 12 and the lid member 14 outside the barrier film 20.In sub-assembly, upper frame 12, lid member 14 and barrier film 20 are coupled to each other, and it is coupled in framework 10 and carries out combinator efficiently as main body.
The following quadrate part of sound coil 30 be arranged on dull and stereotyped 70 and yoke 50 between the gap in.When applying high-frequency current to sound coil 30, this sound coil vertically moves by the interaction in the magnetic field of first permanent magnet, 60 generations.Therefore, the barrier film 20 that is coupled in sound coil 30 promptly vibrates and produces sound.
In this specific embodiment, first suspension 40 is formed by the phosphor bronze (phosphorousbronze) with copper system of nonmagnetic substance.This nonmagnetic substance representative can not become the material of magnetization.
Please refer to Fig. 5, be electroplate with the electrodeposited coating 42 and 44 of a nonmagnetic substance, be arranged on two side surfaces of first suspension 40.Because have the influence that electrodeposited coating 42 and 44, the first suspensions 40 are subjected to first permanent magnet 60, so surface thereof is formed magnetic field by magnetization.Nickel can be used as the magnetic material of electrodeposited coating 42 and 44.
One of first suspension 40 outer periphery be fixed in from one of framework 10 internal side wall outstanding outstanding 11 on the surface.Yoke 50 is fixed in the central portion of first suspension 40.
In this specific embodiment, several slotted holes 46 are defined in first suspension 40.As shown in Figure 6, these several slotted holes 46 pass through first suspension 40, and extend on the periphery direction of first suspension 40 at the remainder place except outer periphery that is fixed in framework 10 and the central portion that is coupled in yoke 50.Because the material corresponding to the part of these several slotted holes 46 is removed, first suspension 40 can have the elasticity of being wanted.Therefore, when the thickness of this other slotted hole and the distance between development length and these slotted holes are adjusted, the elasticity of first suspension 40 can be adjusted to the degree that they are wanted.
Yoke 50 is fixed in first suspension 40.The concavity receiving slit is defined within the yoke 50.Yoke 50 is formed by the material with magnetic.
First permanent magnet 60 has the circular plate shape corresponding to the receiving slit of yoke 50.First permanent magnet 60 is fixed in the inside bottom of yoke 50.First permanent magnet 60 is a permanent magnet, its N utmost point and S utmost point difference its upper side and lower side in vertical direction.
Dull and stereotyped 70 have the diameter roughly the same with first permanent magnet 60, and are fixed in surface on first permanent magnet 60.Dull and stereotyped 70 are formed by the material with magnetic.
First permanent magnet 60 and flat board 70 separate and are fixed thereon with the sidewall of yoke 50.Space definition the outer surface of first permanent magnet 60 and dull and stereotyped 70 and the internal side wall of yoke 50 between.Quadrate part is arranged in this space under the sound coil 30.
First permanent magnet 60, flat board 70 and yoke 50 constitute these loudspeaker magnetic circuits.That is to say that the magnetic flux that is produced by first permanent magnet 60 forms magnetic flux path, it is directed at yoke 50 via dull and stereotyped 70.
In this specific embodiment, the outer periphery of second suspension 80 is fixed in from outstanding 11 outstanding lower surface of the internal side wall of framework 10.
The slotted hole 46 and 86 that is defined in respectively in first and second suspension 40 and 80 has identical configuration each other at the same position place.Therefore, as shown in Figure 6, first and second suspension 40 and 80 has identical shape in the plane each other.
In this specific embodiment, second magnet 90 is fixed in surface on second suspension 80.Second magnet 90 is permanent magnet, on its S utmost point and N utmost point difference its upper side and lower side in vertical direction.Therefore, repulsive interaction relative to each other acts between second magnet 90 and first magnet 60, on its N utmost point and S utmost point difference its upper side and lower side in vertical direction.Second magnet 90 and second suspension 80 constitute this vibrator.
The running and the effect of multifunctional micro speaker 1 below will be described.
In multifunctional micro speaker 1, comprise that second magnet 90 separates with the magnetic circuits that comprises first permanent magnet 60, flat board 70 and yoke 50 mutually with the vibrator of second suspension 80 according to this specific embodiment.But this magnetic circuits and this vibrator magnetic each other are connected.Therefore, the vibration that is used for sonorific barrier film 20 is moved and the vibration that comprises the vibrator of second magnet 90 and second suspension 80 interference between moving can be minimized.
That is to say, in typical multifunctional micro speaker, because the sub-assembly of formation magnetic circuits is carried out the function as vibrator simultaneously, being used for the moving of sonorific barrier film can conflict as the vibration mobile phase of this sub-assembly of this vibrator with this magnetic circuits of formation.But in this multifunctional micro speaker according to the specific embodiment of the utility model, because this vibrator that separates mutually with these assemblies that constitute this magnetic circuits is by this second magnet and this second suspension institute configuration, above-mentioned restriction can improve significantly.
Simultaneously, in multifunctional micro speaker, because these surfaces of first and second suspension 40 and 80 can be produced magnetic field by magnetization on each surface according to the utility model one specific embodiment.Therefore, the magnetic field of these generations each other interaction guarantee stability of vibration.
In this specific embodiment,, have in effect with respect to their magnetic force of polarity on the direction of mutually exclusive power to act on because these surfaces of first and second suspension 40,80 are respectively by these first and second magnet magnetization.Therefore, the gap can fully maintain between first and second suspension 40 and 80, to guarantee this stability of vibration.
According to multifunctional micro speaker of the present utility model, this loudspeaker magnetic circuits and this vibrator are apart basically to be opened.Simultaneously, comprise the multifunctional micro speaker of specific components, it connects this loudspeaker magnetic circuits to this vibrator.Therefore, this loudspeaker magnetic circuits can have the vibration of a minimum displacement, and this loudspeaker magnetic circuits can be used as vibration source and vibrates this vibrator simultaneously.That is to say that the big I of the displacement of this magnetic circuits is minimized, and the big I of the displacement of this magnet vibrator is maximized.Therefore, the acoustic performance of these loudspeaker changes and can be minimized, and the function of this vibrator can be implemented simultaneously.Therefore, amplitude and driving can be used efficiently.In addition, vibrating noise can reduce, and can reduce manufacturing cost owing to simple structure.
Simultaneously, this sound can only use a sound coil to provide maturely with vibration.In addition, the driving between this barrier film and this vibrator is disturbed, and the driving of this barrier film and this vibrator reduction all can improve.
In above-mentioned specific embodiment, though as the copper metal of the hardware nonmagnetic substance as first and second suspension 40,80, the utility model is not limited to this.For example, the polymer elasticity member for nonmagnetic substance can be used as first and second suspension 40,80.When this polymer elasticity member as this nonmagnetic substance, the electrodeposited coating that is electroplate with magnetic material is arranged at least one surface, is preferably on two side surfaces that are arranged on this polymer elasticity member.
In another specific embodiment, this first and second suspension can constitute magnetic component simultaneously.That is to say, the surface of this first suspension magnetic material that is not covered is only arranged, but with its surface of magnetization after this first suspension is formed by the rubber-like nonmagnetic substance, but this first and second suspension forms by this magnetic material, with these surfaces of these first and second suspensions of magnetization.In this example, do not need to be used to utilize the magnetic material separately program of this suspension that is covered.
In another specific embodiment, this first suspension can be formed by this nonmagnetic substance, and two side surface can be electroplate with this magnetic material simultaneously.In addition, this second suspension can be formed by this magnetic material, and does not need to form this electrodeposited coating.
When being manufactured on the surface during by first suspension of magnetization, the kind of material and electrodeposited coating can change, with the magnetic field that produces on the surface that is adjusted at this first suspension to the degree of being wanted.
Simultaneously, in above-mentioned specific embodiment, though second magnet 90 is the permanent magnet on the lower surface that is arranged on second suspension 80, the utility model is not limited to this.That is to say that second magnet 90 can be fixed in surface on second suspension 80.Second magnet 90 can be electromagnet, also can be permanent magnet.
In above-mentioned specific embodiment, though second magnet 90 is this permanent magnet in this specific embodiment, on its upper side and lower side on its vertical direction, the utility model is not limited to this respectively for its S utmost point and the N utmost point.That is to say that second magnet 90 can have by one upward to the N utmost point and the S utmost point towards downward direction configuration.This vertical direction configuration of this polarity can use this electromagnet to realize.
Fig. 7 is the constructed profile according to the multifunctional micro speaker of another specific embodiment of the utility model.
According to the multifunctional micro speaker of this specific embodiment, this specific embodiment is different from aforesaid specific embodiment, because the 3rd magnet 62 is arranged on the lower surface of first suspension 40 in addition.In this specific embodiment, the 3rd magnet is permanent magnet, wherein the N utmost point and the S utmost point by one upward to doing configuration to a downward direction.
In this specific embodiment,, can strengthen the magnetic force of first magnet simultaneously because the 3rd magnet 62 is provided.Simultaneously, can increase, might increase the amplitude and the vibration velocity of vibrator because constitute the gross mass of the assembly of magnetic circuits.Because other assembly of this specific embodiment has the configuration identical with aforementioned specific embodiment, resulting effect is also identical.
According to above-mentioned specific embodiment, though these surfaces of this first and second suspension by magnetization, and these several slotted holes are defined, the utility model is not limited to this.That is to say that according to another specific embodiment of the utility model, these surfaces of these first and second suspensions can be by magnetization, and slotted hole can only be provided.
In multifunctional micro speaker, be used to produce the barrier film of this sound and the interference that is used to produce between the vibrator of this vibration can be minimized according to the utility model.Because these first and second suspensions are surface magnetismization, can improve the damping of unsettled vibration and this vibration.
Simultaneously, the displacement amplitude of this magnetic circuits can be minimized, and the displacement amplitude of this vibrator can be maximized.
Simultaneously, because the interference between this barrier film and this vibrator, the characteristic of this barrier film and this vibrator can be changed easily and be improved.
Present technique professional person can recognize in the utility model can carry out multiple correction and variation.Therefore, the utility model is contained for this utility model in appended claim and be equal to correction and variation within the category.
The primary clustering symbol description
1 multifunctional micro speaker
10 frameworks
11 is outstanding
12 upper frames
14 lid members
20 barrier films
30 sound coils
40 first suspensions
42 electrodeposited coatings
44 electrodeposited coatings
46 slotted holes
50 yokes
60 first permanent magnets
62 the 3rd magnet
70 flat boards
80 second suspensions
82 electrodeposited coatings
84 electrodeposited coatings
86 slotted holes
90 second magnet
100 multifunctional micro speakers
101 barrier films
102 sound coils
103 flat boards
104 permanent magnets
105 yokes
106 weights
107 top suspensions
108 below suspensions
110 shells
114 lead a
115 lead b
Claims (11)
1. a multifunctional micro speaker is characterized in that, comprises:
Framework;
Barrier film, wherein the one outer periphery is fixed in this framework;
Sound coil, it is fixed in the lower surface of this barrier film;
First suspension, wherein its side is fixed in this framework, and this first suspension has elasticity;
Yoke, it is fixed in this first suspension, and this yoke has a receiving slit;
First permanent magnet, it is fixed in the lower surface of this receiving slit;
Flat board, it is fixed in the upper surface of this first permanent magnet;
Second suspension, wherein its side is fixed in this framework, and this second suspension with this first suspension mutually separates downwards, and have elasticity; And
Second magnet, it is fixed in this second suspension, this second magnet separates mutually and is fixed thereon with this first suspension, wherein this first suspension and this second suspension have writing board shape respectively, at least the surface of this first suspension is by this first permanent magnet magnetization, and the surface of this second suspension is by this second magnet magnetization at least.
2. multifunctional micro speaker as claimed in claim 1 is characterized in that this second magnet is fixed in the lower surface of this second suspension, and this first and second suspension faces with each other, and parallel to each otherly separates mutually.
3. multifunctional micro speaker as claimed in claim 1 is characterized in that, at least one comprises non-magnetic member and electrodeposited coating in this first suspension and this second suspension, thereon the electroplating surface magnetic material of this non-magnetic member at least.
4. multifunctional micro speaker as claimed in claim 1 is characterized in that, these other first suspension and this second suspension comprise non-magnetic member and electrodeposited coating, thereon the electroplating surface magnetic material of this non-magnetic member at least.
5. as claim 3 or 4 described multifunctional micro speakers, it is characterized in that this non-magnetic member comprises nonmagnetic metal member or polymer elasticity member.
6. multifunctional micro speaker as claimed in claim 1 is characterized in that, at least one comprises magnetic component in this first suspension and this second suspension.
7. multifunctional micro speaker as claimed in claim 1, it is characterized in that, this first permanent magnet comprises permanent magnet, wherein the N utmost point and the S utmost point are with by upward to doing configuration to downward direction, and this second magnet comprises permanent magnet, and wherein the N utmost point and the S utmost point or the S utmost point and the N utmost point are with by upward to doing configuration to downward direction.
8. multifunctional micro speaker as claimed in claim 1 is characterized in that, this second magnet comprises electromagnet.
9. a multifunctional micro speaker is characterized in that, comprises:
Framework;
Barrier film, wherein the one outer periphery is fixed in this framework;
Sound coil, it is fixed in the lower surface of this barrier film;
First suspension, wherein its side is fixed in this framework, and this first suspension has elasticity;
Yoke, it is fixed in this first suspension, and this yoke has receiving slit;
First permanent magnet, it is fixed in the lower surface of this receiving slit;
Flat board, it is fixed in the upper surface of this first permanent magnet;
Second suspension, wherein its side is fixed in this framework, and this second suspension with this first suspension mutually separates downwards, and have elasticity; And
Second magnet, it is fixed in this second suspension, and this second magnet separates mutually and is fixed thereon with this first suspension and this yoke,
Wherein this first suspension and this second suspension have writing board shape respectively, and each outer periphery of this first and second suspension is to be fixed in this framework,
Wherein this first and second suspension has at least one slotted hole, and wherein its at least a portion is extended in one direction by reaching, and makes these first and second suspensions can easily move in vertical direction with respect to this framework.
10. multifunctional micro speaker as claimed in claim 9 is characterized in that, this at least one slotted hole is defined within this first and second suspension with identical configuration and position.
11. multifunctional micro speaker as claimed in claim 9 is characterized in that, the surface of this first suspension is by this first permanent magnet magnetization at least, and the surface of this second suspension is by this second magnet magnetization at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090041346A KR101057078B1 (en) | 2009-05-12 | 2009-05-12 | Multifunction micro speaker |
| KR10-2009-0041346 | 2009-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608882U true CN201608882U (en) | 2010-10-13 |
Family
ID=42953582
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201071567U Expired - Lifetime CN201608882U (en) | 2009-05-12 | 2010-01-19 | Multifunctional miniature loudspeaker |
| CN2010101054566A Expired - Fee Related CN101888581B (en) | 2009-05-12 | 2010-01-19 | Multifunctional micro speaker |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101054566A Expired - Fee Related CN101888581B (en) | 2009-05-12 | 2010-01-19 | Multifunctional micro speaker |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20110249858A1 (en) |
| EP (1) | EP2432251A4 (en) |
| JP (1) | JP5032708B2 (en) |
| KR (1) | KR101057078B1 (en) |
| CN (2) | CN201608882U (en) |
| TW (2) | TWI436651B (en) |
| WO (1) | WO2010131797A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888581B (en) * | 2009-05-12 | 2013-11-06 | 宝星电子股份有限公司 | Multifunctional micro speaker |
| KR101791610B1 (en) | 2014-01-26 | 2017-10-30 | 고어텍 인크 | Multi-diaphragm speaker system |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8189851B2 (en) | 2009-03-06 | 2012-05-29 | Emo Labs, Inc. | Optically clear diaphragm for an acoustic transducer and method for making same |
| WO2014143821A2 (en) | 2013-03-15 | 2014-09-18 | Emo Labs, Inc. | Acoustic transducers having a connector between an actuator and a diaphragm |
| CN103297904B (en) * | 2013-05-18 | 2015-09-02 | 歌尔声学股份有限公司 | A kind of Double-vibrating-diaspeaker speaker module |
| USD741835S1 (en) | 2013-12-27 | 2015-10-27 | Emo Labs, Inc. | Speaker |
| JP2019041271A (en) * | 2017-08-25 | 2019-03-14 | オンキヨー株式会社 | Frame, speaker unit employing the same, headphone, and earphone |
| US10531202B1 (en) * | 2018-08-13 | 2020-01-07 | Google Llc | Reduced thickness actuator |
| CN209057363U (en) * | 2018-12-24 | 2019-07-02 | 歌尔科技有限公司 | Screen vibration-sound generating device and electronic product |
| US11948549B2 (en) | 2019-07-17 | 2024-04-02 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a display with improved spring arrangement and output device with said actuator |
| US11838736B2 (en) * | 2020-05-20 | 2023-12-05 | Sound Solutions International Co., Ltd. | Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3113612B2 (en) * | 1997-06-27 | 2000-12-04 | 三洋電機株式会社 | Portable communication device |
| CN1159951C (en) * | 1999-05-14 | 2004-07-28 | 松下电器产业株式会社 | Electromagnetic transducer and portable communication device |
| KR20010055232A (en) * | 1999-12-10 | 2001-07-04 | 송재인 | producing system of vibration and sound |
| US6487300B1 (en) * | 1999-12-17 | 2002-11-26 | Samsung Electro-Mechanics Co., Ltd. | Vibration speaker |
| KR100370640B1 (en) * | 2000-11-20 | 2003-02-05 | 삼성전기주식회사 | Vibration speaker |
| US7194287B2 (en) * | 2001-07-25 | 2007-03-20 | Matsushita Electric Industrial Co., Ltd. | Electric-mechanical-acoustic-transducer and portable communication device including the same |
| JP3962643B2 (en) * | 2001-07-25 | 2007-08-22 | 松下電器産業株式会社 | Electric-mechanical-acoustic transducer and portable terminal device |
| FI20020283A (en) | 2001-08-17 | 2003-02-18 | Samsung Electro Mech | multi-Institution |
| KR100419161B1 (en) | 2001-08-22 | 2004-02-18 | 삼성전기주식회사 | Multi-functional Actuator |
| KR100395176B1 (en) | 2001-10-22 | 2003-08-21 | 에스텍 주식회사 | Speaker for generating both sound and vibration |
| KR100439583B1 (en) * | 2001-12-27 | 2004-07-12 | 에스텍 주식회사 | Speaker for generating both vibration and sound |
| KR100540289B1 (en) * | 2002-12-24 | 2006-01-11 | 주식회사 진영음향 | Dynamic micro speaker of composite mode of vibration and sound |
| CN2641968Y (en) * | 2003-04-01 | 2004-09-15 | 李秉彧 | Horne with improved structure |
| KR20050044828A (en) * | 2003-11-08 | 2005-05-13 | 신광식 | Multi-function micro speaker using both one voice coil and one moving coil |
| KR200349093Y1 (en) * | 2003-12-03 | 2004-04-30 | (주)디지털구미과학기술연구소 | Multi-Function Device Type Micro Speaker To Generate vibration Using one fixed Coil and one Voice Coil |
| KR100547357B1 (en) * | 2004-03-30 | 2006-01-26 | 삼성전기주식회사 | Speaker for mobile terminal and manufacturing method thereof |
| US7885425B2 (en) * | 2005-01-28 | 2011-02-08 | Panasonic Corporation | Electrodynamic electroacoustic transducer and electronic device |
| JP2007243870A (en) * | 2006-03-13 | 2007-09-20 | Matsushita Electric Ind Co Ltd | Loudspeaker |
| JP4784398B2 (en) * | 2006-05-29 | 2011-10-05 | パナソニック株式会社 | Acoustic exciter and speaker using the same |
| JP4809719B2 (en) * | 2006-06-16 | 2011-11-09 | パイオニア株式会社 | Speaker device |
| KR101057078B1 (en) * | 2009-05-12 | 2011-08-16 | 주식회사 비에스이 | Multifunction micro speaker |
-
2009
- 2009-05-12 KR KR1020090041346A patent/KR101057078B1/en not_active IP Right Cessation
- 2009-08-31 JP JP2011547751A patent/JP5032708B2/en not_active Expired - Fee Related
- 2009-08-31 US US13/139,922 patent/US20110249858A1/en not_active Abandoned
- 2009-08-31 WO PCT/KR2009/004877 patent/WO2010131797A1/en active Application Filing
- 2009-08-31 EP EP09844671.9A patent/EP2432251A4/en not_active Withdrawn
- 2009-11-20 TW TW098139562A patent/TWI436651B/en not_active IP Right Cessation
- 2009-11-27 TW TW098222299U patent/TWM384482U/en not_active IP Right Cessation
-
2010
- 2010-01-19 CN CN2010201071567U patent/CN201608882U/en not_active Expired - Lifetime
- 2010-01-19 CN CN2010101054566A patent/CN101888581B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888581B (en) * | 2009-05-12 | 2013-11-06 | 宝星电子股份有限公司 | Multifunctional micro speaker |
| KR101791610B1 (en) | 2014-01-26 | 2017-10-30 | 고어텍 인크 | Multi-diaphragm speaker system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012518920A (en) | 2012-08-16 |
| TWM384482U (en) | 2010-07-11 |
| US20110249858A1 (en) | 2011-10-13 |
| TW201041414A (en) | 2010-11-16 |
| TWI436651B (en) | 2014-05-01 |
| JP5032708B2 (en) | 2012-09-26 |
| KR101057078B1 (en) | 2011-08-16 |
| CN101888581A (en) | 2010-11-17 |
| WO2010131797A1 (en) | 2010-11-18 |
| EP2432251A1 (en) | 2012-03-21 |
| KR20100122350A (en) | 2010-11-22 |
| EP2432251A4 (en) | 2014-09-10 |
| CN101888581B (en) | 2013-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN PROSTAR ELECTRONIC CO., LTD. DONGGUAN PROS |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110426 Address after: Inchon, Korea Co-patentee after: Rongcheng Baoxing Electronic Co. Ltd Patentee after: Bse Co., Ltd. Co-patentee after: Dongguan Baoxing Electronics Co. Ltd Address before: South Korea Incheon City, South hole area of the ancient stack hole 626-3 58B 4L (405-817) Patentee before: Bse Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101013 Effective date of abandoning: 20100119 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20101013 Effective date of abandoning: 20100119 |
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| RGAV | Abandon patent right to avoid regrant |